Chemical identity

Clenbuterol EP impurity B

CAS 69708-36-7 · C12H16Cl2N2O

01Identity

Identifiers and names for this exact compound. Empty fields are left unassigned.

Lazychem IDLC-11031
PubChem CID3015899
NameClenbuterol EP impurity B
CAS RN69708-36-7
Molecular formulaC12H16Cl2N2O
Molecular weight275.17
IUPAC name1-(4-Amino-3,5-dichlorophenyl)-2-[(1,1-dimethylethyl)-amino]ethanone
InChIKeyQWIQLKPBFDBNMD-UHFFFAOYSA-N

02Structure identifiers

Two-dimensional chemical structure of Clenbuterol EP impurity B, CAS 69708-36-7
Two-dimensional structure for the PubChem identity linked to this record. Confirm the identifiers before analytical use.

The parsed structure contains 1 ring, includes aromatic atoms, includes aliphatic carbon, contains at least one halogen atom. These statements are calculated from the published structure string.

Defined stereocentres0
Unassigned stereocentres0
Ring count1
Secondary amines1
Tertiary amines0
N-methyl amine sites0
SMILESCC(C)(C)NCC(=O)C1=CC(=C(C(=C1)Cl)N)Cl
InChINot listed
Formula from structureC12H16Cl2N2O
Molecular weight from structure275.17

03Possible N-nitroso structures

Shown for structural screening only. These candidates are not confirmed impurities, formation predictions or analytical findings.

Matched amine site1 candidate
Chemical structure of Clenbuterol EP impurity B with the matched amine site highlighted in amber
Amber identifies the screened atom and adjacent bonds.
Possible structure candidateUnverified identity
First calculated possible N-nitroso structure derived from Clenbuterol EP impurity B, with the new N-nitroso group highlighted in amber
The new N-N=O atoms and bonds are highlighted. No CAS number or compound name is assigned by this calculation.
Candidate 1Possible N-nitroso structural candidate
Calculated formula
C12H15Cl2N3O2
Candidate SMILES
CC(C)(C)N(CC(=O)c1cc(Cl)c(N)c(Cl)c1)N=O

Interpretation: A structural alert alone does not establish that a nitrosamine forms. Evaluate nitrite sources, amine reagents, pH, temperature, process sequence, purge and analytical evidence.

04India status for this compound

These results apply only to this exact compound name and CAS number. Confirm the current official instruments before making a regulatory decision.

NDPS / RCSNO EXACT MATCH FOUNDCAS 69708-36-7 has no exact match in the reviewed published schedule.
SCOMETNO EXACT REVIEWED CAS MATCHCAS 69708-36-7 has no exact match in the reviewed SCOMET list.
Review date2026-08-01Recheck the current official instruments for the material, concentration, activity and date in question.

05Names and relationships

Associated parent compound

Clenbuterol

View API and impurity family

Other names

  • 1-(4-Amino-3,5-dichlorophenyl)-2-(tert-butylamino)ethan-1-one
  • 69708-36-7
  • DTXSID10388487
  • RefChem:224781
  • DTXCID30202838
  • 1-(4-amino-3,5-dichlorophenyl)-2-(tert-butylamino)ethanone
  • 4-amino-alpha-tert-butylamine-3,5-dichloroacetophenone
  • 1-(4-AMINO-3,5-DICHLOROPHENYL)-2-((1,1-DIMETHYLETHYL)AMINO)ETHANONE
  • Clenbuterol EP Impurity B
  • Ketoclenbutero
  • Clenbuterol impurity B CRS
  • 93LQD44UKM

06Documented history

Dated discovery, occurrence, use and issue claims are published only when a suitable primary or government source is available.

No dated history available

No verified discovery, first report, occurrence, use or issue event is currently available for this identity.

07Sources